Includes reproduction of t.p. of original edition: An account of expeditions to the sources of the Mississippi, and through the western parts of Louisiana, to the sources of the Arkansas, Kans., La Platte, and Pierre Jaun, rivers; performed by order of the government of the United States during the years 1805, 1806, and 1807 ; and a tour through the interior parts of New Spain when conducted through these provinces, by order of the Captain-General, in the year 1807 / by Major Z.M. Pike. Philadelphia : published by C. & A. Conrad & Co., 1810."The first portion of the journal treating of his Mississippi trip has been omitted."--Publisher's pref.